Mercurial > sdl-ios-xcode
diff src/video/win32/SDL_win32shape.c @ 4785:ef8b32ef9793
Updated test code, updated win32 code a bit (still not complete, but hopefully tonight), and removed the last vestiges of ellipse and polygon drawing support.
author | Eli Gottlieb <eligottlieb@gmail.com> |
---|---|
date | Tue, 06 Jul 2010 22:05:22 -0400 |
parents | 6e03d73054d7 |
children | e25ad8d97027 |
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--- a/src/video/win32/SDL_win32shape.c Fri Jul 02 12:05:47 2010 -0400 +++ b/src/video/win32/SDL_win32shape.c Tue Jul 06 22:05:22 2010 -0400 @@ -20,6 +20,65 @@ eligottlieb@gmail.com */ -#include "SDL_shape.h" +#include <windows.h> +#include "SDL_win32shape.h" + +SDL_WindowShaper* Win32_CreateShaper(SDL_Window * window) { + SDL_WindowShaper* result = malloc(sizeof(SDL_WindowShaper)); + result->window = window; + result->alphacutoff = 0; + result->usershownflag = 0; + //Put some driver-data here. + window->shaper = result; + int resized_properly = X11ResizeWindowShape(window); + assert(resized_properly == 0); + return result; +} -/* Functions implementing shaped windows for Win32 will be implemented when the API is set. */ +int Win32_SetWindowShape(SDL_WindowShaper *shaper,SDL_Surface *shape,SDL_WindowShapeMode *shapeMode) { + assert(shaper != NULL && shape != NULL); + if(!SDL_ISPIXELFORMAT_ALPHA(SDL_MasksToPixelFormatEnum(shape->format->BitsPerPixel,shape->format->Rmask,shape->format->Gmask,shape->format->Bmask,shape->format->Amask))) + return -2; + if(shape->w != shaper->window->w || shape->h != shaper->window->h) + return -3; + + /* Assume that shaper->alphacutoff already has a value, because SDL_SetWindowShape() should have given it one. */ + /* + * Start with empty region + */ + HRGN MaskRegion = CreateRectRgn(0, 0, 0, 0); + + unsigned int pitch = shape->pitch; + unsigned int width = shape->width; + unsigned int height = shape->height; + unsigned int dy = pitch - width; + + SDL_ShapeData *data = (SDL_ShapeData*)shaper->driverdata; + /* + * Transfer binarized mask image into workbuffer + */ + SDL_CalculateShapeBitmap(shaper->alphacutoff,shape,data->shapebuffer,1,0xff); + //Move code over to here from AW_windowShape.c + +} + +int Win32_ResizeWindowShape(SDL_Window *window) { + SDL_ShapeData* data = window->shaper->driverdata; + assert(data != NULL); + + unsigned int buffersize = window->w * window->h; + if(data->buffersize != buffersize || data->shapebuffer == NULL) { + data->buffersize = buffersize; + if(data->shapebuffer != NULL) + free(data->shapebuffer); + data->shapebuffer = malloc(data->buffersize); + if(data->shapebuffer == NULL) { + SDL_SetError("Could not allocate memory for shaped-window bitmap."); + return -1; + } + } + + window->shaper->usershownflag = window->flags & SDL_WINDOW_SHOWN; + + return 0; +}